Cyst in Newborns Brain

What is a cyst in newborns?

A cyst in a newborn’s brain is a mass of lesions that contains fluid and is stored at the location of the dead nervous tissue. The cyst can form in any part of the brain and appear singular or plural, but it is not at all a tumor.


  • Fetal infection and complications during childbirth and pregnancy can cause the cyst to grow in the brain and lead to the formation of cyst of the herpes virus.
  • Another cause can be due to insufficient flow of blood in the area of brain ventricles which can result in the death of oxygen tissue and form a cavity.


  • Visual impairment due to damage to optic nerve. For example double vision, reduced vision, feeling mist before eyes
  • Presence of cyst in the cerebellum can create difficulty in coordination of giddiness, movements and gait
  • Cyst in the Turkish saddle near the pituitary gland creates a disturbance in the functioning of the endocrine system which can delay physical and sexual development
  • Other symptoms may include limb paralysis, hearing problems and seizures
  • In severe cases, there is an inconsistency of bone joints which may result in a delay of physical and mental development

Increasing pressure in the skull due to a growth of the cyst may show the following symptoms:

  • Vomiting
  • Nausea
  • Dizziness
  • Lethargy
  • Feeling of fullness in the head
  • Constant drowsiness


The primary diagnostic method is ultrasound or cranial ultrasonography and is preferred because at that time the fontanelles are not healed completely, the skull bones are not closed and it provides high research efficiency. Screening tests are for preterm infants and newborns. To get a more satisfying result, doctors may go for MRI or CT scan.


If the child has no symptoms, then no treatment is required, but regular check-up is necessary to check its size. If the cyst has the above symptoms, then it should be removed surgically. The types of surgeries may include:

  • Bypass surgery
  • Endoscopic surgery
  • Micro neurosurgical operation

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